 /*******************************************************************************
  * Copyright (c) 2002, 2006 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/epl-v10.html
  *
  * Contributors:
  * IBM Corporation - initial API and implementation
  *******************************************************************************/
 package org.eclipse.ui.internal.cheatsheets.data;

 import java.util.ArrayList ;
 import java.util.Iterator ;
 import org.eclipse.ui.internal.cheatsheets.views.CheatSheetManager;

 public class PerformWhen implements IExecutableItem {
     private String condition;
     private ArrayList executables;
     private AbstractExecutable selectedExecutable;

     /**
      * Constructor for PerformWhen.
      */
     public PerformWhen() {
         super();
     }

     public PerformWhen(String condition) {
         super();
         this.condition = condition;
     }
     
     /**
      * Returns the condition.
      * @return String
      */
     public String getCondition() {
         return condition;
     }

     /**
      * Sets the condition.
      * @param newCondition The new condition to set
      */
     public void setCondition(String newCondition) {
         this.condition = newCondition;
     }

     /**
      * @return Returns the executables.
      */
     public ArrayList getExecutables() {
         return executables;
     }
     
     /**
      * @param executable the AbstractExecutable to add.
      */
     public void addExecutable(AbstractExecutable executable) {
         if(executables == null) {
             executables = new ArrayList ();
         }
         executables.add(executable);
     }


     /**
      * This method always returns <code>null</code>, it is only here aid in parsing.
      * @return Returns the executables.
      */
     public AbstractExecutable getExecutable() {
         return null;
     }

     /**
      * Delegate to the addAbstractExecutable metod.
      * @param executable the AbstractExecutable to add.
      */
     public void setExecutable(AbstractExecutable executable) {
         addExecutable(executable);
     }

     public AbstractExecutable getSelectedExecutable() {
         return selectedExecutable;
     }

     public void setSelectedExecutable(CheatSheetManager csm) {
         String conditionValue = csm.getVariableData(condition);

         for (Iterator iter = executables.iterator(); iter.hasNext();) {
             AbstractExecutable executable = (AbstractExecutable) iter.next();
             if(executable.getWhen() != null && executable.getWhen().equals(conditionValue)) {
                 selectedExecutable = executable;
                 break;
             }
         }
     }

 }

